You may have a relative or someone you know who is addicted to smoking and is not quite ready to give it up just as yet. They may not be convinced that it would do them any good. In that case, you should bring to his or her knowledge about the advantages of quitting smoking. The information below is bound to change their attitude towards it. Advantage Within 20 minutes 1. Blood pressure drops to normal; 2. Pulse rate drops to normal; 3. Body temperature of hands and feet increases to normal. Within 8 hours 1. Carbon monoxide level in blood drops to normal; 2. Oxygen level in blood increases to normal. Within 24 hours 1. Chance of heart attack decreases. Within 48 hours 1. Nerve endings start regrowing; 2. Ability to smell and taste is enhanced. Within 2 Weeks to 3 months 1. Circulation improves; 2. Walking becomes easier; 3. Lung function increases up to 30%. Within 1 to 9 months 1. Coughing, sinus congestion, fatigue, and shortness of breath decrease; 2. Cilia regrow in lungs, increasing ability to handle mucus, clean the lungs, and reduce infection 3. Body's overall energy increases. Within 1 year 1. Excess risk of coronary heart disease is cut by half. Within 5 years 1. Lung cancer death rate for average former smoker (one pack a day) decrease by almost half; 2. Stroke risk is reduced to that of a non- smoker 5- 15 years after quitting; 3. Risk of cancer of the mouth, throat, and esophagus is half that of a smoker's. Within 10 years 1. Lung cancer death rate similar to that of nonsmokers; 2. Precancerous cells are replaced; 3. Risk of cancer of the mouth, throat, esophagus, bladder, kidney and pancreas decrease. Within 15 years 1. Risk of coronary heart disease is that of a nonsmoker.